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Physicists watch a rare spacetime crystal melt in three distinct stages

27 July 2026 · in 80 words

Physicists watch a rare spacetime crystal melt in three distinct stages

Scientists at Shanghai Jiao Tong University witnessed, for the first time, a spacetime crystal undergoing a melting process, which they determined occurred in three phases. This unusual state of matter possesses a crystal arrangement that reiterates across both space and time, a characteristic not shared by ordinary crystals.

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